mcs/class/corlib/System.Security.Policy/ApplicationDirectory.cs

   1 //
   2 // System.Security.Policy.ApplicationDirectory.cs
   3 //
   4 // Authors:
   5 //      Jackson Harper (Jackson@LatitudeGeo.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2002 Jackson Harper, All rights reserved.
   9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Globalization;
  32 using System.IO;
  33 using System.Runtime.InteropServices;
  34 using System.Text;
  35
  36 using Mono.Security;
  37
  38 namespace System.Security.Policy {
  39
  40         [Serializable]
  41         [ComVisible (true)]
  42         public sealed class ApplicationDirectory : IBuiltInEvidence {
  43
  44                 private string directory;
  45
  46                 //
  47                 // Public Constructors
  48                 //
  49
  50                 public ApplicationDirectory (string name)
  51                 {
  52                         if (null == name)
  53                                 throw new ArgumentNullException ("name");
  54                         if (name.Length < 1)
  55                                 throw new FormatException (Locale.GetText ("Empty"));
  56                         directory = name;
  57                 }
  58
  59                 //
  60                 // Public Properties
  61                 //
  62
  63                 public string Directory {
  64                         get { return directory; }
  65                 }
  66
  67                 //
  68                 // Public Methods
  69                 //
  70
  71                 public object Copy ()
  72                 {
  73                         return new ApplicationDirectory (this.Directory);
  74                 }
  75
  76                 public override bool Equals (object o)
  77                 {
  78                         ApplicationDirectory compare = (o as ApplicationDirectory);
  79                         if (compare != null) {
  80                                 // MS "by design" behaviour (see FDBK14362)
  81                                 ThrowOnInvalid (compare.directory);
  82                                 // no C14N or other mojo here (it's done elsewhere)
  83                                 return (directory == compare.directory);
  84                         }
  85                         return false;
  86                 }
  87
  88                 public override int GetHashCode ()
  89                 {
  90                         return Directory.GetHashCode ();
  91                 }
  92
  93                 public override string ToString ()
  94                 {
  95                         // MS "by design" behaviour (see FDBK14362)
  96                         ThrowOnInvalid (Directory);
  97                         SecurityElement element = new SecurityElement ("System.Security.Policy.ApplicationDirectory");
  98                         element.AddAttribute ("version", "1");
  99                         element.AddChild (new SecurityElement ("Directory", directory));
 100                         return element.ToString ();
 101                 }
 102
 103                 // interface IBuiltInEvidence
 104
 105                 int IBuiltInEvidence.GetRequiredSize (bool verbose)
 106                 {
 107                         return ((verbose) ? 3 : 1) + directory.Length;
 108                 }
 109
 110                 [MonoTODO ("IBuiltInEvidence")]
 111                 int IBuiltInEvidence.InitFromBuffer (char [] buffer, int position)
 112                 {
 113                         return 0;
 114                 }
 115
 116                 [MonoTODO ("IBuiltInEvidence")]
 117                 int IBuiltInEvidence.OutputToBuffer (char [] buffer, int position, bool verbose)
 118                 {
 119                         return 0;
 120                 }
 121
 122                 // internal stuff
 123
 124                 private void ThrowOnInvalid (string appdir)
 125                 {
 126                         if (appdir.IndexOfAny (Path.InvalidPathChars) != -1) {
 127                                 string msg = Locale.GetText ("Invalid character(s) in directory {0}");
 128                                 throw new ArgumentException (String.Format (msg, appdir), "other");
 129                         }
 130                 }
 131         }
 132 }